NEWHOUSE ELECTRIC 10 in. Round Electrical Splice Box 910 - The Home Depot
QUAZITE® PG1730HA0009 HA Series 1-Piece Tier-15 Blank Heavy Duty Underground Cover, 30 in L x 17 in W x 2 in D, For Use With Splice, Pull Box Equipment Enclosure, Concrete Box,
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Can you put a junction box underground electrical wire? - Quora
Underground terminal box - U series - Marshall-Tufflex - steel